Height detection ticket gate based on ultrasonic technology

According to the height detection ticket checking gate machine based on the ultrasonic technology, the ticket checking gate machine is formed by combining the gate machine body, the mainboard MCU module, the gate machine core module, the ticket checking module and the power supply module, basic tick...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHEN PING, CHEN GUANGTENG, LIN ZHONGXING, LIN ZHIQING, HUANG WENHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES DIAGNOSIS FARE-REGISTERING APPARATUS FRANKING APPARATUS GENERATING RANDOM NUMBERS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES SURGERY TICKET-ISSUING APPARATUS TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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